<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>Document</title>
        <style>
            .box{
                position: relative;
                width: 74px;
                height: 88px;
                margin: 100px auto;
                font-size: 12px;
                text-align: center;
                color: #f40;
                display: block;
            }
            .box img{
                width: 60px;
                margin-top: 5px;
            }
            .close-btn {
                position: absolute;
                top: -1px;
                left: -16px;
                width: 14px;
                height: 14px;
                border: 1px solid #ccc;
                line-height: 14px;
                font-family: Arial, Helvetica, sans-serif;
                cursor: pointer;
            }
        </style>
    </head>
    <body>
        <div class="box">
            淘宝二维码
            <img src="images/taobao.png" alt="" />
            <i class="close-btn">×</i>
        </div>
        <script>
            // 1 获取元素
            var btn = document.querySelector('.close');
            var box = document.querySelector('.box');
            // 2 注册事件 程序处理
            btn.onclick = function(){
                box.style.display = 'none';
            }
        </script>
    </body>
</html>
